package com.itheima.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.mapper.EmpMapper;
import com.itheima.pojo.*;
import com.itheima.service.EmpExprService;
import com.itheima.service.EmpService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmpServiceImpl extends ServiceImpl<EmpMapper,Emp>implements EmpService {

    @Autowired
    private EmpExprService empExprService;
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void saveEmp(Emp emp) {
        emp.setUpdateTime(LocalDateTime.now());
        emp.setCreateTime(LocalDateTime.now());
        emp.setPassword("123456");
        //保存员工
        this.save(emp);
        //保存员工对应的员工工作信息
        List<EmpExpr> exprList = emp.getExprList();
        if(exprList!=null&&exprList.size()>0){
            exprList.forEach(expr->{
                expr.setEmpId(emp.getId());
                empExprService.saveBatch(exprList);
            });
        }


    }

    @Override
    public Emp getEmpById(Integer id) {
        //查员工
        Emp emp=this.getById(id);
        if(emp==null){
            throw new RuntimeException("没有查询到员工信息");
        }
        //查工作经历
        List<EmpExpr> list = empExprService.list(
                        new LambdaQueryWrapper<EmpExpr>()
                        .eq(EmpExpr::getEmpId, emp.getId()));
        emp.setExprList(list);
        return emp;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateDmp(Emp emp) {
        //修改员工
        emp.setUpdateTime(LocalDateTime.now());
        this.updateById(emp);
        //修改工作经历
        empExprService.remove(new LambdaQueryWrapper<EmpExpr>()
                .eq(EmpExpr::getEmpId, emp.getId()));
        List<EmpExpr> exprList = emp.getExprList();
        if(exprList!=null&&exprList.size()>0){
            exprList.forEach(expr->expr.setEmpId(emp.getId()));
        }
        empExprService.saveBatch(exprList);
    }

    @Override
    @Transactional(rollbackFor =Exception.class)
    public void deleteByIds(List<Integer> ids) {
        //删员工
        this.removeBatchByIds(ids);
        //删除工作经历
        empExprService.remove(new LambdaQueryWrapper<EmpExpr>()
                .in(EmpExpr::getEmpId,ids));
    }
}
